Home / 11,271.80-16,912.46-6,071.60

Finding the Fourth Proportional to 11,271.80, 16,912.46 and 6,071.60

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Solution

The fourth proportional to 11,271.80, 16,912.46 and 6,071.60 is: 9,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.80 : 16,912.46 = 6,071.60 : x
  2. Step 2: Convert to fraction form
    11,271.80/16,912.46 = 6,071.60/x
  3. Step 3: Cross multiply
    11,271.80x = 16,912.46 × 6,071.60
  4. Step 4: Simplify right side
    11,271.80x = 102,685,692.14
  5. Step 5: Solve for x
    x = 102,685,692.14/11,271.80
  6. Step 6: Final answer
    x = 9,109.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.